On URT communications network, the control center, vehicle section, parking lot and stations are all on the network nodes, the network tandems and terminals are implemented with switching equipments.

• 摘要在城市轨道交通通信网络中，控制中心、车辆段、停车场以及各个车站处在网络节点的位置上，采用交换设备来实现网络汇接与终端接入。